俗话说得好，“万事开头难”，这不是没有道理的。要做到“落笔生辉”实属不易。这就要求考生掌握大量的短语词汇，才能写出精彩的文章，令读者耳目一新，环球博海四六级小编特整理了2013年12月英语四级作文复习必备常用关系词(13)，助同学们写作一臂之力!

　　时间关系

　　at once; immediately; at length; in the mean time; meanwhile; at the same time;

　　in the end; then; soon; not long after; later; at once; at last; finally;

　　some time ago; at present; all of a sudden; from this time on;

　　from time to time; since then; when; whenever; next point;

　　a few minutes later; formerly; as; once; since; occasionally;

　　in a moment; shortly; whereupon; previously

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